Notice of demand.20. When any tax, interest, penalty or any other sum is payable under this Act, the 39[Assessing] Officer shall serve upon the assessee a notice of demand in the prescribed form40, specifying the sum so payable and the amount of chargeable expenditure in relation to which such sum is payable.
39. Substituted for "Income-tax" by the Finance Act, 1988, w.e.f. 1-4-1988.
40.See Rule 6 and Form No. 4
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